History log of /llvm-project/llvm/test/CodeGen/RISCV/or-is-add.ll (Results 1 – 3 of 3)
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Revision tags: llvmorg-21-init, llvmorg-19.1.7, llvmorg-19.1.6, llvmorg-19.1.5, llvmorg-19.1.4
# 9122c523 15-Nov-2024 Pengcheng Wang <wangpengcheng.pp@bytedance.com>

[RISCV] Enable bidirectional scheduling and tracking register pressure (#115445)


This is based on other targets like PPC/AArch64 and some experiments.

This PR will only enable bidirectional schedu

[RISCV] Enable bidirectional scheduling and tracking register pressure (#115445)


This is based on other targets like PPC/AArch64 and some experiments.

This PR will only enable bidirectional scheduling and tracking register
pressure.

Disclaimer: I haven't tested it on many cores, maybe we should make
some options being features. I believe downstreams must have tried
this before, so feedbacks are welcome.

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Revision tags: llvmorg-19.1.3, llvmorg-19.1.2, llvmorg-19.1.1, llvmorg-19.1.0, llvmorg-19.1.0-rc4, llvmorg-19.1.0-rc3, llvmorg-19.1.0-rc2, llvmorg-19.1.0-rc1, llvmorg-20-init, llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6, llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2, llvmorg-18.1.1, llvmorg-18.1.0, llvmorg-18.1.0-rc4, llvmorg-18.1.0-rc3, llvmorg-18.1.0-rc2
# 8a980911 31-Jan-2024 Craig Topper <craig.topper@sifive.com>

[RISCV] Use disjoint flag in or_is_add.


Revision tags: llvmorg-18.1.0-rc1, llvmorg-19-init, llvmorg-17.0.6, llvmorg-17.0.5, llvmorg-17.0.4, llvmorg-17.0.3, llvmorg-17.0.2, llvmorg-17.0.1, llvmorg-17.0.0, llvmorg-17.0.0-rc4, llvmorg-17.0.0-rc3, llvmorg-17.0.0-rc2, llvmorg-17.0.0-rc1, llvmorg-18-init, llvmorg-16.0.6, llvmorg-16.0.5, llvmorg-16.0.4, llvmorg-16.0.3, llvmorg-16.0.2, llvmorg-16.0.1, llvmorg-16.0.0, llvmorg-16.0.0-rc4, llvmorg-16.0.0-rc3, llvmorg-16.0.0-rc2, llvmorg-16.0.0-rc1, llvmorg-17-init, llvmorg-15.0.7
# 79d6e9c7 29-Dec-2022 Craig Topper <craig.topper@sifive.com>

[RISCV] Prefer ADDI over ORI if the known bits are disjoint.

There is no compressed form of ORI but there is a compressed form
for ADDI.

This also works for XORI since DAGCombine will turn Xor with

[RISCV] Prefer ADDI over ORI if the known bits are disjoint.

There is no compressed form of ORI but there is a compressed form
for ADDI.

This also works for XORI since DAGCombine will turn Xor with disjoint
bits in Or.

Note: The compressed forms require a simm6 immediate, but I'm doing
this for the full simm12 range.

Reviewed By: kito-cheng

Differential Revision: https://reviews.llvm.org/D140674

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